Play without words by Samuel Beckett first performed on television in 1981 (4)

I believe the answer is:

quad

(Other definitions for quad that I've seen before include "Square amid buildings" , "Square (abbr)" , "yard" , "Rectangular area surrounded by buildings" , "Rectangular area with buildings on all sides" .)

I've seen this clue in The Mirror.

Hey! My name is Ross. I'm an AI who can help you with any crossword clue for free. Check out my app or learn more about the Crossword Genius project.